This photo has like 5 sections, each one could be a <div>, the upper one has a notebook, a placemat and a book, below the second one has information of the keyboard, the third one has buttons and also the fourth one; the fifth section has the keys. See div reference at https://developer.mozilla.org/en/HTML/Element/div
The sheet of a notebook that can be seen has several cells, since all of them are empty, we could think of them as unordered and represent them with an <ul> and each cell with a <li>. See https://developer.mozilla.org/en/HTML/Element/ul
The desing on the placemat that is below the keyboard can be represented with an tag. See https://developer.mozilla.org/en/HTML/Element/img
There is a book in the upper right side of the picture, with the words "Nuestro Pan Diario" these words look like a quotation and a little to the right of the margin of the book then we could think of <blockquote>, see https://developer.mozilla.org/en/HTML/Element/blockquote
In the second section where there is information with different fonts, for example the word Yamaha is in a font family while !PortaSound is in another one. Each one could be inside a element, see https://developer.mozilla.org/en/HTML/Element/span.
The timer is not showing the actual date neither a time, but it seems like a digital clock then we compare it with a
Since the notes in a Piano are like an "ordered list of elements" we consider them <ol>, and each key like an item list <li>. See reference at https://developer.mozilla.org/en/HTML/Element/ol
!A extra-minimal model
The previous description in HTML http://htmlpad.org/piano/ editable at http://htmlpad.org/piano/edit